CN107024911A - A kind of nuclear power plant's numerical control system Logical processing unit - Google Patents
A kind of nuclear power plant's numerical control system Logical processing unit Download PDFInfo
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4184—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by fault tolerance, reliability of production system
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41845—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by system universality, reconfigurability, modularity
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4188—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by CIM planning or realisation
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/21—Pc I-O input output
- G05B2219/21014—Interface, module with relays
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/21—Pc I-O input output
- G05B2219/21015—Easy expansion, extension of I-O
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24182—Redundancy
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25171—Serial, RS232
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25232—DCS, distributed control system, decentralised control unit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention discloses a kind of nuclear power plant's numerical control system Logical processing unit, the Logical processing unit includes：Data processing module, communication module, diagnostic module, data storage, human interface device, debugging interface and power module, communication module, diagnostic module, data storage are connected with data processing module, and communication module is all connected with data processing module, data storage；Realize high, low in energy consumption Logical processing unit safe class, three kinds of tactic patterns of support, strong dilatation ability, manipulation and technique effect easy to maintenance.
Description
Technical field
The present invention relates to nuclear power plant's digitlization instrument control field, in particular it relates to a kind of nuclear power plant's numerical control system logic
Processing unit.
Background technology
Nuclear power plant's numerical control system (DSC) is used to monitor, control nuclear power station running status, especially run in nuclear power plant
It is middle that the system starts security system relevant equipment and nuclear power plant is protected when occurring abnormal, prevent Nuclear Power Plant Equipment damage with
Radioactive substance is leaked.At present, nuclear power plant is meeting total demand and guarantee frequently with safe level numerical control system (SDCS)
On the premise of Reliability Index, the safe class of system can be improved, digitlization instrument control system response heap protection system is realized
Reach SIL3 grades.
Existing DCS Logical processing units are present：1) a kind of framework (patent No. is only supported：102799104A,
202421819U), 2) system can not be supported in plate self diagnosis, 3) the shortcomings of can not be communicated with other parts.
In summary, present inventor has found above-mentioned technology extremely during the present application technical scheme is realized
There is following technical problem less：
In the prior art, existing DCS Logical processing units presence can only support a kind of framework, it is impossible to support system
System is in plate self diagnosis, it is impossible to the technical problem communicated with other parts.
The content of the invention
The invention provides a kind of nuclear power plant's numerical control system Logical processing unit, solve at existing DCS logics
Reason unit presence can only support a kind of framework, it is impossible to support system in plate self diagnosis, it is impossible to be communicated with other parts
Technical problem, realize that Logical processing unit safe class is high, low in energy consumption, support that three kinds of tactic patterns, dilatation ability be strong, behaviour
Control and technique effect easy to maintenance.
This Logical processing unit is the main control unit of whole safe level numerical control system, with input/output and communication
Unit constitutes a master control cabinet, then collectively constitutes safe level nuclear power plant numerical control system with other function cabinets.This logic
Processing unit is substantially carried out logical operation and data processing, and the real time data calculating collected from other functional modules is handled
Afterwards, result is transferred into output equipment to realize the real-time control to executing agency.This Logical processing unit is detected simultaneously
Itself and other each functional module working conditions, when breaking down, by fault information reporting monitoring device.
In order to solve the above technical problems, this application provides a kind of nuclear power plant's numerical control system Logical processing unit, institute
Stating Logical processing unit includes：
Data processing module, communication module, diagnostic module, data storage, human interface device, debugging interface and power supply
Module, communication module, diagnostic module, data storage are connected with data processing module, communication module and data processing module,
Data storage is all connected with；Wherein：
Data processing module is used for：Live real-time parameter value, man-machine inputting equipment and debugging from I/O-unit is received to connect
The data of mouth simultaneously carry out calculation process, then send result and status information to I/O-unit or communication unit or display screen
Or debugging interface, realize the control and the instruction of Logical processing unit running status to rear class executing agency；
Communication module is used for：Receive or forward the data for the expansion interface transmission being connected with outside extended housing, Yi Jiyong
The data transmitted in the backplane communication interface for receiving or forwarding with functional module is connected in cabinet where logical process list；
Diagnostic module is used for：Monitoring data processing module and supply voltage working condition；
Data storage is used for：Store ephemeral data, preset data and various data cached；
Human interface device includes：Mode selector switch, latch switch, display screen, LED state indicator lamp, SR；
Debugging interface includes：RS232 interfaces, jtag interface；
Power module input be two-way independence 24V DC, power module by 24V DC be converted into various predeterminated voltages with
Powered to successive load.
Further, communication module is used for：Receive or forward what 4 expansion interfaces being connected with outside extended housing were transmitted
Data, and for receiving or forwarding the data on 14 backplane communication interfaces being connected with this cabinet internal strength energy module.
Further, diagnostic module is when diagnosis is out of order, then reseting data processing module or arrives fault information reporting
Monitoring device.
Further, the mode of operation of upper strata configuration software configurable logic processing unit, and generate dress under configuration file
To Logical processing unit, Logical processing unit can work in two according to the configuration file of parsing and take one, hot backup redundancy and list respectively
Three kinds of tactic patterns of passage.
Further, when the I/O-unit off-capacity in single chassis, can by 4 expansion interfaces of front panel respectively with
Extended housing is connected.
Further, the flow chart of data processing of Logical processing unit is：
Point-to-Point Data receiving port is received after the data message come from input block transmission, filtered, conversion, then
It is delivered to communication module；
Communication module forwards the data to data processing module again by internal bus；
After data processing module is by logical operation process, then result data are returned into communication module；
Communication module by result data forwarding to sending port, then arrives rear class output unit, is finally sent to again again
To executing agency.
One or more technical schemes that the application is provided, have at least the following technical effects or advantages：
The invention and other functional modules collectively constitute npp safety level numerical control system, and occupy leading control work
With.The invention embeded processor adds the software and hardware architecture that association is handled, the selection of low-power consumption component and each functional module height collection
Cheng Du, device algorithm configuration can be carried out by upper strata configuration software and makes it have the response time there is provided digitlization display interface etc.
Hurry up, it is low in energy consumption, configure it is flexible, easy to operate the features such as, and support three kinds of tactic patterns, and support capacity extension, items test
Index meets or exceeds customer demand.
According to requirement of engineering, the Logical processing unit can support two to take three kinds of tactic patterns of one, hot backup redundancy and single channel.
When the I/O module off-capacity in single chassis, 4 expansion interfaces of front panel are connected with extended housing respectively, expansion can be realized
Open up capacity effect.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention；
Fig. 1 is the composition schematic diagram of nuclear power plant's numerical control system Logical processing unit in the application.
Embodiment
The invention provides a kind of nuclear power plant's numerical control system Logical processing unit, solve at existing DCS logics
Reason unit presence can only support a kind of framework, it is impossible to support system in plate self diagnosis, it is impossible to be communicated with other parts
Technical problem, realize that Logical processing unit safe class is high, low in energy consumption, support that three kinds of tactic patterns, dilatation ability be strong, behaviour
Control and technique effect easy to maintenance.
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting mutually, the application's
Feature in embodiment and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
Implemented with the other modes in the range of being different from being described herein using other, therefore, protection scope of the present invention is not by under
The limitation of specific embodiment disclosed in face.
Fig. 1 is refer to, the invention provides a kind of npp safety level Logical processing unit, it is applied to npp safety
In level numerical control system, and security-related in mathematical logic computing, control reactor set is responsible for as main control unit
Standby, malfunction monitoring and the core work task such as report, the risk of accident occurs in reduction nuclear power plant reactor.
Mainly include data processing module, communication module, data storage, diagnostic module, debugging interface, power module and
Human interface device.Support that two take three kinds of tactic patterns of one, hot backup redundancy and single channel with suitable for different application demand；Support
Communicated and fault diagnosis functions with other 13 functional modules of cabinet inside；Possess very powerful dilatation ability, can be with four expansions
Open up cabinet connection；Possess reset unlocking function, after people confirms to can be reset operation, be manually operated SR to solve
Except itself is constantly in reset state, prevent what is be likely to occur to restart phenomenon repeatedly；Under some special working conditions, it can lead to
Manually operated locking output switch is crossed, forbids output, prevents misoperation and improve security.
The Logical processing unit mainly include be responsible for data processing module, communication module, diagnostic module, data storage,
Human interface device, debugging interface and power module.As shown in Figure 1.
Functions are described as follows：
1. data processing module receives the live real-time parameter value from I/O-unit, man-machine inputting equipment and debugging interface
Data simultaneously carry out calculation process, then send result and status information to IO or communication unit, display screen and debugging and connect
Mouthful, realize the control and the instruction of Logical processing unit running status to rear class executing agency；
2. communication module is received, forwarding with 4 expansion interfaces being connected of outside extended housing and with other work(in this cabinet
Data on 14 backplane communication interfaces of energy module connection；
3. diagnostic module is used for monitoring data processing module and supply voltage working condition, the reseting data if breaking down
Processing module or by fault information reporting to monitoring device；
4. data storage is used for ephemeral data, preset data and various data cached storages；
5. human interface device includes mode selector switch, latch switch, display screen, LED state indicator lamp, SR
(more detailed content is referring to chapters and sections eight)；
6. debugging interface includes RS232 interfaces, jtag interface (more detailed content is referring to chapters and sections eight)；
7. power module input is the 24V DC of two-way independence, 24V DC are converted into various more low-voltages by power module
To be powered to successive load.
A) apparatus of the present invention mechanical structure information is as follows：
It is highly 6U, width is 6HP；Panel is designed using stereochemical structure；Internal PCB sizes are 233.35mm × 205mm.
B) front panel includes status indicator lamp, display screen, SR, mode selector switch, latch switch, the extension of four tunnels
Interface, RS232 and jtag interface.Shown in their function is described as follows：
1. status indicator lamp：Working condition for indicating the present apparatus；
2. display screen：When a failure occurs, for showing failure code, it is easy to debug and find out failure cause；
3. SR：When deadlock phenomenon occurs in the present apparatus, by pressing this SR the present apparatus can be allowed to restart；
The snap fit mode selector switch, realizes that device mode of operation switches；Due to particular demands, when diagnosing mould in device, block is examined
When measuring failure, device is constantly in reset state and can not enter normal mode of operation, after attendant confirms, presses multiple
Position button, allows device to restart, prevents and reset phenomenon repeatedly；
4. mode selector switch：This device has three kinds of mode of operations to meet different application occasion, passes through rotary mode
Switching switchs and coordinates SR using that just can realize mode of operation switching, maloperation is prevented, to improve security；
5. latch switch：Latch switch is placed in forbid output gear when, the present apparatus not to rear class hold by output control order
Row mechanism, prevents from producing misoperation when safeguarding, improves security；
6. four road expansion interfaces：For connecting extended housing, dilatation I/O module；
7.RS232 and jtag interface：Used during debugging, for updating software and printing display logic processing unit work shape
State information.
C) the data transfer flow of device is as follows：
1. present apparatus Point-to-Point Data receiving port is received after the data message come from input block transmission, through filter
Ripple, conversion, then it is delivered to communication module；
2. communication module forwards the data to data processing module again by inner high speed bus；
After 3. data processing module is by logical operation process, then result data are returned into communication module；
4. communication module by result data forwarding to sending port, then arrives rear class output unit, finally sent again again
Reach executing agency.
Technical scheme in above-mentioned the embodiment of the present application, at least has the following technical effect that or advantage：
The invention and other functional modules collectively constitute npp safety level numerical control system, and occupy leading control work
With.With the features such as the response time is fast, low in energy consumption, configuration is flexible, easy to operate, three kinds of tactic patterns are supported, support capacity to expand
Exhibition, every test index meets or exceeds customer demand.
According to requirement of engineering, the Logical processing unit can support two to take three kinds of tactic patterns of one, hot backup redundancy and single channel.
When the I/O module off-capacity in single chassis, 4 expansion interfaces of front panel are connected with extended housing respectively, expansion can be realized
Open up capacity effect.
, but those skilled in the art once know basic creation although preferred embodiments of the present invention have been described
Property concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to include excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (7)
1. a kind of nuclear power plant's numerical control system Logical processing unit, it is characterised in that the Logical processing unit includes：
Data processing module, communication module, diagnostic module, data storage, human interface device, debugging interface and power supply mould
Block, communication module, diagnostic module, data storage are connected with data processing module, communication module and data processing module, number
It is all connected with according to memory；Wherein：
Data processing module is used for：Receive the live real-time parameter value from I/O-unit, man-machine inputting equipment and debugging interface
Data simultaneously carry out calculation process, then send result and status information to I/O-unit or communication unit or display screen or tune
Try mouth, realize the control and the instruction of Logical processing unit running status to rear class executing agency；
Communication module is used for：The data for the expansion interface transmission being connected with outside extended housing are received or forward, and for connecing
Receive or forward the data transmitted with the backplane communication interface that functional module is connected in cabinet where logical process list；
Diagnostic module is used for：Monitoring data processing module and supply voltage working condition；
Data storage is used for：Store ephemeral data, preset data and various data cached；
Human interface device includes：Mode selector switch, latch switch, display screen, LED state indicator lamp, SR；
Debugging interface includes：RS232 interfaces, jtag interface；
Power module input is the 24V DC of two-way independence, and 24V DC are converted into various predeterminated voltages with to after by power module
Level load supplying.
2. nuclear power plant's numerical control system Logical processing unit according to claim 1, it is characterised in that communication module is used
In：The data for the 4 expansion interfaces transmission being connected with outside extended housing are received or forward, and for receiving or forwarding and this
The data on 14 backplane communication interfaces that functional module is connected in cabinet.
3. nuclear power plant's numerical control system Logical processing unit according to claim 1, it is characterised in that diagnostic module exists
Diagnosis is when being out of order, then reseting data processing module or by fault information reporting to monitoring device.
4. nuclear power plant's numerical control system Logical processing unit according to claim 1, it is characterised in that diagnostic module leads to
Monitoring power module working condition, communication module working condition, memory operation state, data processing module working condition are crossed,
When Logical processing unit breaks down according to fault type set in advance and failure rank, correspondence is taken on fault message
Report keeps Logical processing unit to be in reset state.
5. nuclear power plant's numerical control system Logical processing unit according to claim 1, it is characterised in that logical process list
Member supports that two take three kinds of tactic patterns of one, hot backup redundancy and single channel.
6. nuclear power plant's numerical control system Logical processing unit according to claim 1, it is characterised in that work as single chassis
In I/O-unit off-capacity when, can be connected respectively with extended housing by 4 expansion interfaces of front panel.
7. nuclear power plant's numerical control system Logical processing unit according to claim 1, it is characterised in that logical process list
Member flow chart of data processing be：
Point-to-Point Data receiving port is received after the data message come from input block transmission, filtered, conversion, then is sent to
To communication module；
Communication module forwards the data to data processing module again by internal bus；
After data processing module is by logical operation process, then result data are returned into communication module；
Communication module by result data forwarding to sending port, then arrives rear class output unit again again, is finally delivered to and holds
Row mechanism.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107942808A (en) * | 2017-12-08 | 2018-04-20 | 中国核动力研究设计院 | A kind of DCS capacity extensions device |
| CN109542040A (en) * | 2018-12-29 | 2019-03-29 | 中电智能科技有限公司 | I/O signal processing method and programmable logic controller (PLC) |
| CN110850759A (en) * | 2019-10-23 | 2020-02-28 | 北京微电子技术研究所 | Radiation-resistant nuclear power intelligent monitoring system |
| CN110992203A (en) * | 2019-10-23 | 2020-04-10 | 北京微电子技术研究所 | Nuclear power communication control module based on redundancy technology |
| CN111061235A (en) * | 2019-12-20 | 2020-04-24 | 中核控制系统工程有限公司 | DCS equipment diagnosis method with fault early warning function |
| CN111585485A (en) * | 2020-06-11 | 2020-08-25 | 湖南汇远新能源科技有限公司 | DC motor stepless speed regulation controller capable of automatically identifying PWM signal and LIN communication signal |
| CN112201378A (en) * | 2020-10-21 | 2021-01-08 | 中国核动力研究设计院 | Hot standby switching method, system, terminal and medium based on nuclear power plant DCS platform |
| CN114995314A (en) * | 2022-06-15 | 2022-09-02 | 中国核动力研究设计院 | Automatic statistical method and system for variable use information in nuclear power plant DCS (distributed control System) |
| CN115398364A (en) * | 2020-07-30 | 2022-11-25 | 三菱电机株式会社 | Numerical control device and numerical control system |
| CN114995314B (en) * | 2022-06-15 | 2024-06-04 | 中国核动力研究设计院 | Automatic statistical method and system for variable usage information in nuclear power plant DCS system |
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